US11370896B2ActiveUtilityA1

Ionic nanocomposite materials, methods of making same, and uses of same

49
Assignee: UNIV CORNELLPriority: Sep 12, 2016Filed: Sep 12, 2017Granted: Jun 28, 2022
Est. expirySep 12, 2036(~10.2 yrs left)· nominal 20-yr term from priority
Inventors:Jérémy OdentEmmanuel P. GiannelisJean-Marie RaquezPhilippe Dubois
C08K 9/04B01J 31/00C08K 9/06C08K 2201/011C08L 67/04C08K 3/36C08J 2367/04C08L 2201/12C08J 2375/04C08K 2201/001C08J 5/18C08L 75/04C08L 75/08
49
PatentIndex Score
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Cited by
27
References
46
Claims

Abstract

An ionic nanocomposite comprising a nanomaterial comprising charged groups disposed on at least a portion of a surface of the nanomaterial and a polymer material comprising charged pendant group and/or end functionalized charged groups, where the charged groups of the nanomaterial and the charged pendant groups of the polymer material have opposite charges and the nanomaterial and polymer material are connected by one or more ionic bonds. A nanomaterial can be nanoparticles comprising sulfate groups disposed on at least a portion of the surface of the nanoparticles. The polymer material can be a polymer with pendant imidazolium groups. An ionic nanocomposite can be present as a film (e.g., a thin film). An ionic nanocomposite can be used in devices. A nanocomposite can be used in various coating application.

Claims

exact text as granted — not AI-modified
The invention claimed is: 
     
       1. An ionic nanocomposite comprising:
 a) a plurality of nanomaterials, wherein the nanomaterials are electrically charged; and 
 b) one or more polymer materials, each polymer material comprising a plurality of organic moieties and/or functional groups bearing the opposite charge of the nanomaterials, wherein the nanomaterials and the polymer material(s) interact through ionic interactions; and wherein at least one of the one or more polymer materials comprises a polymer having the following structure: 
 
       
         
           
           
               
               
           
         
       
       wherein: 
       D is, at each occurrence in the polymer, either an alkyl moiety comprising 1 to 14 carbons and m is 1 to 50,000; 
       R is, at each occurrence in the polymer, an aliphatic moiety comprising 1 to 24 carbons, a carbocyclic moiety comprising 6 to 24 carbons, or a heterocyclic moiety comprising 2 to 24 carbons and one or more heteroatom selected from the group consisting of N, O, S, P, and combinations thereof; and 
       n is 1 to 200,000, and wherein at least one D further comprises one or more pendant positively charged moiety and/or one or more pendant positively charged group. 
     
     
       2. The ionic nanocomposite of  claim 1 , wherein the nanomaterials have a plurality of negatively charged functional groups disposed on at least a portion of a surface of the nanomaterials and the at least one of the one or more polymer materials comprises a plurality of positively charged organic functional groups. 
     
     
       3. The ionic nanocomposite of  claim 2 , wherein the negatively charged functional groups are selected from the group consisting of sulfate (SO 3   − ) groups, carboxylate (—C(O)O − ) groups, phosphate (—P(O) 3 O − ) groups, and combinations thereof. 
     
     
       4. The ionic nanocomposite of  claim 1 , wherein the nanomaterials are nanoparticles (NPs). 
     
     
       5. The ionic nanocomposite of  claim 1 , wherein the nanomaterials are present at 1 to 40 percent by weight of the nanocomposite. 
     
     
       6. The ionic nanocomposite of  claim 1 , wherein the nanomaterials are present at 10 to 30 percent by weight of the nanocomposite. 
     
     
       7. The ionic nanocomposite of  claim 1 , wherein the at least one of the one or more polymer materials comprises a plurality of charged pendant groups. 
     
     
       8. The ionic nanocomposite of  claim 7 , wherein the charged pendant groups are imidazolium groups, ammonium groups, triazolium groups, phosphonium groups, pyridinium groups, and combinations thereof. 
     
     
       9. The ionic nanocomposite of  claim 1 , wherein at least one of the one or more polymer materials is a polylactide (PLA), a lactide copolymer, an imidazolium-terminated PLA, or a combination thereof. 
     
     
       10. The ionic nanocomposite of  claim 1 , wherein the plurality of nanomaterials are sulfonate-modified silica nanoparticles and at least one of the one or more polymer materials is an amorphous (PEG-ran-PPG based) imidazolium-functionalized polyurethane and at least one of the one or more polymer materials is a semi-cristalline (PEG based) imidazolium-functionalized polyurethane. 
     
     
       11. The ionic nanocomposite of  claim 1 , wherein the nanocomposite comprises two different polymer materials. 
     
     
       12. The ionic nanocomposite of  claim 1 , wherein the ionic nanocomposite exhibits shape memory behavior. 
     
     
       13. The ionic nanocomposite of  claim 1 , wherein the ionic nanocomposite exhibits a 5 times or greater increase in strain at break. 
     
     
       14. The ionic nanocomposite of  claim 1 , wherein D is, at each occurrence in the polymer, an alkyl moiety comprising 3 to 6 carbons. 
     
     
       15. A film comprising one or more ionic nanocomposite of  claim 1 . 
     
     
       16. The film of  claim 15 , wherein the ionic nanocomposite is present as a film. 
     
     
       17. The film of  claim 16 , wherein the film is planar or non-planar. 
     
     
       18. An article of manufacture comprising one or more ionic nanocomposite of  claim 1 . 
     
     
       19. A device comprising a nanocomposite of  claim 1 . 
     
     
       20. The device of  claim 19 , wherein the device is a sensor or an actuator. 
     
     
       21. An ionic nanocomposite comprising:
 a) a plurality of nanomaterials, wherein the nanomaterials are electrically charged; and 
 b) one or more polymer materials, each polymer material comprising a plurality of organic moieties and/or functional groups bearing the opposite charge of the nanomaterials, wherein the nanomaterials and the polymer material(s) interact through ionic interactions; and wherein at least one of the one or more polymer materials is a polylactide (PLA), a lactide copolymer, an imidazolium-terminated PLA, or a combination thereof. 
 
     
     
       22. The ionic nanocomposite of  claim 21 , wherein the nanomaterials have a plurality of negatively charged functional groups disposed on at least a portion of a surface of the nanomaterials and the at least one of the one or more polymer materials comprises a plurality of positively charged organic functional groups. 
     
     
       23. The ionic nanocomposite of  claim 22 , wherein the negatively charged functional groups are selected from the group consisting of sulfate (SO 3   − ) groups, carboxylate (—C(O)O − ) groups, phosphate (—P(O) 3 O − ) groups, and combinations thereof. 
     
     
       24. The ionic nanocomposite of  claim 21 , wherein the nanomaterials are nanoparticles (NPs). 
     
     
       25. The ionic nanocomposite of  claim 21 , wherein the nanomaterials are present at 1 to 40 percent by weight of the nanocomposite. 
     
     
       26. The ionic nanocomposite of  claim 21 , wherein the at least one of the one or more polymer materials comprises a plurality of charged pendant groups. 
     
     
       27. The ionic nanocomposite of  claim 26 , wherein the charged pendant groups are imidazolium groups, ammonium groups, triazolium groups, phosphonium groups, pyridinium groups, and combinations thereof. 
     
     
       28. The ionic nanocomposite of  claim 21 , wherein the plurality of nanomaterials are sulfonate-modified silica nanoparticles and at least one of the one or more polymer materials is an amorphous (PEG-ran-PPG based) imidazolium-functionalized polyurethane and at least one of the one or more polymer materials is a semi-cristalline (PEG based) imidazolium-functionalized polyurethane. 
     
     
       29. The ionic nanocomposite of  claim 21 , wherein the ionic nanocomposite exhibits shape memory behavior. 
     
     
       30. The ionic nanocomposite of  claim 21 , wherein the ionic nanocomposite exhibits a 5 times or greater increase in strain at break. 
     
     
       31. A film comprising one or more ionic nanocomposite of  claim 21 . 
     
     
       32. The film of  claim 31 , wherein the ionic nanocomposite is present as a film. 
     
     
       33. The film of  claim 32 , wherein the film is planar or non-planar. 
     
     
       34. An article of manufacture comprising one or more ionic nanocomposite of  claim 21 . 
     
     
       35. A device comprising a nanocomposite of  claim 21 . 
     
     
       36. The device of  claim 35 , wherein the device is a sensor or an actuator. 
     
     
       37. An ionic nanocomposite comprising:
 a) a plurality of nanomaterials, wherein the nanomaterials are electrically charged; and 
 b) one or more polymer materials, each polymer material comprising a plurality of organic moieties and/or functional groups bearing the opposite charge of the nanomaterials, wherein the nanomaterials and the polymer material(s) interact through ionic interactions; and wherein the plurality of nanomaterials are sulfonate-modified silica nanoparticles and the one or more polymer materials are amorphous (PEG-ran-PPG based) imidazolium-functionalized polyurethane and a semi-cristalline (PEG based) imidazolium-functionalized polyurethane. 
 
     
     
       38. The ionic nanocomposite of  claim 37 , wherein the sulfonate-modified silica nanoparticles are present at 1 to 40 percent by weight of the nanocomposite. 
     
     
       39. The ionic nanocomposite of  claim 37 , wherein the ionic nanocomposite exhibits shape memory behavior. 
     
     
       40. The ionic nanocomposite of  claim 37 , wherein the ionic nanocomposite exhibits a 5 times or greater increase in strain at break. 
     
     
       41. A film comprising one or more ionic nanocomposite of  claim 37 . 
     
     
       42. The film of  claim 41 , wherein the ionic nanocomposite is present as a film. 
     
     
       43. The film of  claim 42 , wherein the film is planar or non-planar. 
     
     
       44. An article of manufacture comprising one or more ionic nanocomposite of  claim 37 . 
     
     
       45. A device comprising a nanocomposite of  claim 37 . 
     
     
       46. The device of  claim 45 , wherein the device is a sensor or an actuator.

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